- All sections
- E - Fixed constructions
- E04D - Roof coverings; sky-lights; gutters; roof-working tools
- E04D 13/04 - Roof drainage; Drainage fittings in flat roofs
Patent holdings for IPC class E04D 13/04
Total number of patents in this class: 327
10-year publication summary
|
55
|
45
|
50
|
42
|
31
|
48
|
37
|
31
|
29
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Quality Edge, Inc. | 93 |
9 |
| Rikksen | 17 |
9 |
| Roofguard Manufacturing, LLC | 11 |
8 |
| Distributed Solar Development, LLC | 15 |
8 |
| JMH Innovative Solutions, LLC | 8 |
8 |
| Rillito River Solar, LLC | 32 |
7 |
| T&M Inventions, LLC | 29 |
7 |
| EcoFasten Solar, LLC | 49 |
7 |
| CertainTeed LLC | 511 |
7 |
| Roofers' Advantage Products, LLC | 23 |
6 |
| Bmic LLC | 630 |
6 |
| Zurn Water, LLC | 198 |
6 |
| Gutterglove, Inc. | 106 |
5 |
| Nantong Huwang Plastic Science and Technology Development Co., Ltd | 12 |
5 |
| Grade Group AS | 5 |
4 |
| Rain Harvesting Pty. Ltd. | 18 |
4 |
| Metal-era, LLC | 41 |
4 |
| ARDEX Anlagen GmbH | 10 |
3 |
| CertainTeed Corporation | 299 |
3 |
| Dryflekt, Inc. | 5 |
3 |
| Other owners | 208 |